Finding the Fourth Proportional to 705,873.50, 1,058,342.17 and 256,540.99
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Solution
The fourth proportional to 705,873.50, 1,058,342.17 and 256,540.99 is: 384,641.36
Step by Step Solution
- Step 1: Write the proportion equation
705,873.50 : 1,058,342.17 = 256,540.99 : x - Step 2: Convert to fraction form
705,873.50/1,058,342.17 = 256,540.99/x - Step 3: Cross multiply
705,873.50x = 1,058,342.17 × 256,540.99 - Step 4: Simplify right side
705,873.50x = 271,508,141,476.13 - Step 5: Solve for x
x = 271,508,141,476.13/705,873.50 - Step 6: Final answer
x = 384,641.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.